13682793809 has 4 divisors (see below), whose sum is σ = 13684733760. Its totient is φ = 13680853860.

The previous prime is 13682793797. The next prime is 13682793841. The reversal of 13682793809 is 90839728631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13682793809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13682793889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959357 + ... + 973514.

It is an arithmetic number, because the mean of its divisors is an integer number (3421183440).

Almost surely, 2^13682793809 is an apocalyptic number.

It is an amenable number.

13682793809 is a deficient number, since it is larger than the sum of its proper divisors (1939951).

13682793809 is an equidigital number, since it uses as much as digits as its factorization.

13682793809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939950.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 13682793809 in words is "thirteen billion, six hundred eighty-two million, seven hundred ninety-three thousand, eight hundred nine".